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Table 3 Comparison of clinical parameters of the control and TAVNS groups at baseline and after 8-weeks of follow-up

From: Brief periods of transcutaneous auricular vagus nerve stimulation improve autonomic balance and alter circulating monocytes and endothelial cells in patients with metabolic syndrome: a pilot study

 

Control

(n = 10)

TAVNS

(n = 20)

p

Baseline

Follow-up

Baseline

Follow-up

Weight (Kg)

104 ± 22

103 ± 22

105 ± 18

105 ± 18

0.172

AC (cm)

122 ± 13

119 ± 15

119 ± 12

118 ± 11

0.332

BIM (Kg/m2)

37 ± 6

36 ± 6

37 ± 5

37 ± 5

0.126

SBP(mmHg)

135 ± 21

133 ± 21

137 ± 21

121 ± 11#

0.028*

DBP (mmHg)

80 ± 10

83 ± 10

81 ± 10

77 ± 8#

0.007*

HR (bpm)

74 ± 10

76 ± 10

72 ± 7

68 ± 8#

0.034*

HRV

 VARR

2137 ± 1988

2060 ± 2065

2749 ± 2793

3621 ± 4092

0.279

 RMSSD (ms)

34 ± 21

33 ± 24

41 ± 28

51 ± 41

0.181

 LF abs (ms2)

666 ± 662

576 ± 666

772 ± 839

710 ± 846

0.889

 HF abs (ms2)

595 ± 594

560 ± 677

896 ± 1362

1530 ± 2485

0.154

 LF%

34 ± 6

36 ± 9

32 ± 7

26 ± 8#

0.037*

 HF%

29 ± 14

28 ± 11

34 ± 14

43 ± 19#

0.046*

SBPV

 Variance

51 ± 34

32 ± 24

36 ± 28

33 ± 16

0.204

  1. AC Abdominal circumference, BMI Body mass index, SBP Systolic blood pressure, DBP Diastolic blood pressure, HR Heart rate, HRV Heart rate variability, VARR Total variance of RR interval, RMSSD Square root of the mean of the square of successive differences between adjacent RR intervals, LF abs Low frequency spectral power, HF abs High frequency spectral power, SBPV Systolic Blood Pressure variability, Variance Total SBPV power
  2. #p < 0.05
  3. *p < 0.05